Artificial light at night is a top predictor of bird migration stopover density
| Author(s) | Horton, Kyle G. | |
| Author(s) | Buler, Jeffrey J. | |
| Author(s) | Anderson, Sharolyn J. | |
| Author(s) | Burt, Carolyn S. | |
| Author(s) | Collins, Amy C. | |
| Author(s) | Dokter, Adriaan M. | |
| Author(s) | Guo, Fengyi | |
| Author(s) | Sheldon, Daniel | |
| Author(s) | Tomaszewska, Monika Anna | |
| Author(s) | Henebry, Geoffrey M. | |
| Date Accessioned | 2024-02-15T21:20:38Z | |
| Date Available | 2024-02-15T21:20:38Z | |
| Publication Date | 2023-12-04 | |
| Description | This article was originally published in Nature Communications. The version of record is available at: https://doi.org/10.1038/s41467-023-43046-z. © The Author(s) 2023. This article was featured in UDaily on 12/12/2023 at https://www.udel.edu/udaily/2023/december/bird-migration-artificial-light-nationwide-jeff-buler/ | |
| Abstract | As billions of nocturnal avian migrants traverse North America, twice a year they must contend with landscape changes driven by natural and anthropogenic forces, including the rapid growth of the artificial glow of the night sky. While airspaces facilitate migrant passage, terrestrial landscapes serve as essential areas to restore energy reserves and often act as refugia—making it critical to holistically identify stopover locations and understand drivers of use. Here, we leverage over 10 million remote sensing observations to develop seasonal contiguous United States layers of bird migrant stopover density. In over 70% of our models, we identify skyglow as a highly influential and consistently positive predictor of bird migration stopover density across the United States. This finding points to the potential of an expanding threat to avian migrants: peri-urban illuminated areas may act as ecological traps at macroscales that increase the mortality of birds during migration. | |
| Sponsor | Funding for this project was provided by NASA Biodiversity 80NSSC21K1143 to K.G.H., M.A.T. and G.M.H. K.G.H. and C.S.B. were supported by National Science Foundation Growing Convergence Research program (GCR-2123405). This material is based upon work supported by the National Science Foundation under Grant Nos. 1661259 (D.S.), 1749854 (D.S.), 1927743 (A.M.D.) and 2017817 (A.M.D.). USDA NIFA Hatch (DEL-00774) to J.J.B. | |
| Citation | Horton, K.G., Buler, J.J., Anderson, S.J. et al. Artificial light at night is a top predictor of bird migration stopover density. Nat Commun 14, 7446 (2023). https://doi.org/10.1038/s41467-023-43046-z | |
| ISSN | 2041-1723 | |
| URL | https://udspace.udel.edu/handle/19716/33993 | |
| Language | en_US | |
| Publisher | Nature Communications | |
| dc.rights | Attribution 4.0 International | en |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| Keywords | animal migration | |
| Keywords | conservation biology | |
| Keywords | macroecology | |
| Keywords | urban ecology | |
| Title | Artificial light at night is a top predictor of bird migration stopover density | |
| Type | Article |
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